供应弹簧钢 60CRMnA 60CRMnMoA
弹簧钢
    弹簧钢是用以制造弹簧或其他弹性元件的钢种。分为优质碳素弹簧钢、合金弹簧钢二类  。具体牌号有：65、70、85、65Mn、55Si2Mn、55Si2MnB、55SiMnVB、60Si2Mn、60Si2MnA、60  Su2CrA、60Si2CrVA、55CrMnA、60CrMnA、60CrMnMoA、50CrVA、60CrMnBA、30W4Cr2VA共17  个牌号。美国、日本、德国弹簧钢牌号对照表
牌号    相似牌号    化学成份    热轧交货硬度HB≯
    美国    日本    德国    C    Si    Mn    Cr    V    B    P    S    
                                        ≯    
65Mn    1066                0.62-0.70    0.17-0.37    0.90-1.20    ≤0.25                0.035    0.035    302
55Si2Mn    9255          55Si7    0.52-0.60    1.50-2.00    0.60-0.90    ≤0.35                0.035    0.035    302
60Si2Mn    9260    SUP6    60Si7    0.56-0.64    1.50-2.00    0.60-0.90    ≤0.35                0.035    0.035    321
60Si2MnA    9260    SUP6    60Si7    0.56-0.64    1.60-2.00    0.60-0.90    ≤0.35                0.03    0.03    321
55CrMnA    5155    SSUP9    55Cr3    0.52-0.60    0.17-0.37    0.65-0.95    0.65-0.95                0.03    0.03    321
60CrMnA    5160    SUP9A          0.56-0.64    0.17-0.37    0.70-1.00    0.70-1.00                0.03    0.03    321
50CrVA    6150    SUS10A    51CrV4    0.46-0.54    0.17-0.37    0.50-0.80    0.80-1.10    0.10-0.20          0.03    0.03    321
60CrMnBA    51B60    SUS11    58CrMnB4    0.56-0.64    0.17-0.37    0.70-1.00    0.70-1.00          0.0005-0.004    0.03    0.03    321
55SiMnVB    51B60    SUS11    58CrMnB4    0.52-0.60    0.70-1.00    0.70-1.00    ≤0.35    0.08-0.16    0.0005-0.0035    0.03    0.03    321
60SiCrBA                      0.56-0.64    1.40-1.80    0.40-0.70    0.90-1.20    0.10-0.20          0.03    0.03